Sinclair ZX80 / ZX81 Forums

Or WinTZX…
Web site down, but ...
https://web.archive.org/web/20180808183 ... wintzx.fr/
http://www.worldofspectrum.org/pub/sinc ... ZX0.9a.exe

Win32.

Zx Extensions:

https://archive.org/stream/ElektorMagaz ... 5/mode/2up

Digital data recorder:
https://archive.org/stream/ElektorMagaz ... 1/mode/2up

French article from Elektor.
(Zx81 Signal cleaner)
(English release: https://archive.org/stream/ElektorMagaz ... 1/mode/2up )

You had to change the character set…
binary table...

Hi,

Not Dead !
Just sleeping...

'// 5Fh - Memotech HRG card. If Port_ID = &H5F& And G_Card = eHiResMEMOTECH Then ' Debug.Print "Input Port MEMOTECH: "; Hex(port) If Mem_Display = 0 Then ' Clear display buffer. ClrMemory sLastScreen(0), 768 ' Clear display buffer. ClrMemory gcBufferBits(0), 6528 ' Clear Basic display. gpicDisplay....

Got it ! Capture_memotech.PNG There is a 1kb memory buffer in the HRG Memotech ! Located beatween &0 and &400. It's use by the memotech rom to the display feature. In EO, this inboard buffer is assigned by the HRG card, but, the user can't write it. (RO restrictions over the ROM) If we POKE a value ...

HI,

Is there any problems when the program is run twice on a real Memotech card?
This program is an asm code, and a bug can corrupt the card memory...
On the Xur, a second RUN display a bad UDG.

I had to test a french demo using the &0-&400 memory room, how we can switch it using an IRQ...

YES...

Never type RUN... only GOTO 1 !